Kernel/armv7 - Threading work

- Fixed WFI being executed while tasks are waiting
- Starting work on Proc_Clone

diff --git a/Kernel/arch/armv7/proc.c b/Kernel/arch/armv7/proc.c
index 318cabd..146899c 100644 (file)
--- a/Kernel/arch/armv7/proc.c
+++ b/Kernel/arch/armv7/proc.c
@@ -13,6 +13,7 @@
 extern tThread gThreadZero;
 extern void    SwitchTask(Uint32 NewSP, Uint32 *OldSP, Uint32 NewIP, Uint32 *OldIP, Uint32 MemPtr);
 extern void    KernelThreadHeader(void);       // Actually takes args on stack
+extern void    Proc_CloneInt(Uint32 *SP, Uint32 *MemPtr);
 extern tVAddr  MM_NewKStack(int bGlobal);      // TODO: Move out into a header
 
 // === PROTOTYPES ===
@@ -33,8 +34,8 @@ void Proc_IdleThread(void *unused)
        Threads_SetPriority(gpIdleThread, -1);
        Threads_SetName("Idle Thread");
        for(;;) {
-               __asm__ __volatile__ ("wfi");
                Proc_Reschedule();
+               __asm__ __volatile__ ("wfi");
        }
 }
 
@@ -56,13 +57,22 @@ tThread *Proc_GetCurThread(void)
        return gpCurrentThread;
 }
 
-tTID Proc_Clone(Uint Flags)
+void Proc_StartUser(Uint Entrypoint, Uint *Bases, int ArgC, char **ArgV, char **EnvP, int DataSize)
 {
-       return -1;
+       Log_Debug("Proc", "Proc_StartUser: (Entrypoint=%p, Bases=%p, ArgC=%i, ...)",
+               Entrypoint, Bases, ArgC);
 }
 
-void Proc_StartUser(Uint Entrypoint, Uint *Bases, int ArgC, char **ArgV, char **EnvP, int DataSize)
+tTID Proc_Clone(Uint Flags)
 {
+       tThread *new;
+
+       new = Threads_CloneTCB(Flags);
+       if(!new)        return -1;
+       
+       Log_Error("Proc", "TODO: Implement Proc_Clone");
+       
+       return -1;
 }
 
 tTID Proc_SpawnWorker( void (*Fnc)(void*), void *Ptr )
@@ -70,7 +80,7 @@ tTID Proc_SpawnWorker( void (*Fnc)(void*), void *Ptr )
        tThread *new;
        Uint32  sp;
 
-       new = Threads_CloneTCB(NULL, 0);
+       new = Threads_CloneThreadZero();
        if(!new)        return -1;
 
        new->KernelStack = MM_NewKStack(1);
@@ -100,7 +110,7 @@ tTID Proc_NewKThread( void (*Fnc)(void*), void *Ptr )
        tThread *new;
        Uint32  sp;
 
-       new = Threads_CloneTCB(NULL, 0);
+       new = Threads_CloneTCB(0);
        if(!new)        return -1;
 
        // TODO: Non-shared stack